Packaging box



FIG. 1 is a perspective view of a packaging box showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side elevational view thereof; and,

FIG. 5 is a rear elevational view thereof.

The bottom plan view is plain and unornamented.

The ornamental design for a packaging box, as shown and described.